Unfortunately, cats’ kidneys tend to wear out. As discussed in a previous column, many diseases can affect these organs. Unlike other vital organs, such as the liver, the kidneys are not capable of regenerating. Once started, degenerative kidney disease progresses. Clinical signs associated with kidney disease can include increased thirst, increased urination, weight loss, dehydration, dental disease, vomiting and loss of appetite. “Chronic tubulointerstitial nephritis” is the medical term for [...]